Lotto - Pro Edge (White/Navy) - Men's: Reinforced anti-abrasion stiffener. Fiber dry antibacterial lining consists of two layers that capture and absorb sweat, and an outer layer in a very soft hydrophobic fiber that keeps the foot fresh and dry. FAS medical support. SEC cushioning system features an elastic element placed in the heel area of the shoe that ensures cushioning and maximum protection against impact traumas. Puntoflex system uses a special technical device placed across the tread in the metatarsal area which allows correct foot flexion and excellent rebound. The outsole is an anti-abrasion DTO system, a special technical device is placed across the tread in the metatarsal area which allows correct foot flexion and excellent rebound.